Nothing, the UK-based smartphone brand co-founded by Carl Pei, has started rolling out the Open Beta version of its latest operating system — Nothing OS 4.0 — for the Phone (3a) and Phone (3a) Pro. The update introduces a blend of new design elements and functionality, highlighting the company’s evolving software vision.

The headline feature of this update is Lock Glimpse, an innovative addition that refreshes the user’s lock screen experience. Designed to display a rotating selection of high-quality wallpapers, the feature covers nine curated categories, offering users an aesthetic and personalized interaction every time they unlock their phone. Users can simply swipe left on the lock screen to explore Lock Glimpse, which remains turned off by default.

Importantly, Nothing has assured u

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